#0B3445#0B3445

#0B3445 is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.6% C 0.053 H 230.2°. Best body text is #FFFFFF at 13.20:1 contrast (WCAG AA passes).

Color values

HEX	#0B3445
RGB	rgb(11, 52, 69)
HSL	hsl(198, 73%, 16%)
HSV	hsv(198, 84%, 27%)
CMYK	cmyk(84.1%, 24.6%, 0%, 72.9%)
CIE-LAB	lab(19.87, -7.11, -14.56)
CIE-LCH	lch(19.87, 16.21, 243.96°)
OKLab	oklab(30.61% -0.0341 -0.0409)
OKLCH	oklch(30.61% 0.053 230.2)
XYZ	xyz(2.4397, 2.9565, 6.0712)
Luminance	0.0296 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3445 #451C0B

analogous

#0B4539 #0B3445 #0B1745

triadic

#0B3445 #450B34 #34450B

tetradic

#0B3445 #390B45 #451C0B #17450B

square

#0B3445 #390B45 #451C0B #17450B

split-complementary

#0B3445 #450B17 #45390B

monochromatic

#04141A #04141A #0B3445 #135C7A #1C84AF

Accessibility & contrast

On white

13.20

#0B3445 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#0B3445 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3445

13.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3445	#FFFFFF	#000000	##FFFFFF
##0B3445	1.00	13.20	1.59	13.20
#FFFFFF	13.20	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3346

Deuteranopia (green-blind)

#232E45

Tritanopia (blue-blind)

#00393A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #0b3445;
/* rgb */ color: rgb(11, 52, 69);
/* oklch */ color: oklch(30.6% 0.053 230.2);

Tailwind

colors: {
  custom: {
    50: '#546b78',
    500: '#0b3445',
    950: '#000000',
  },
}

SCSS

$custom: #0b3445;
$custom-light: #546b78;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3445",
  "rgb": {
    "r": 11,
    "g": 52,
    "b": 69
  },
  "hsl": {
    "h": 197.586,
    "s": 72.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.30614,
    "c": 0.05326,
    "h": 230.2
  },
  "luminance": 0.02957
}

Semantic roles & 50–950 ramp

primary

#0B3445

secondary

#81442A

accent

#6E39EF

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030609

muted

#787A7B

Preview Lab

Preview with #0B3445

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →